// w-logic free tools

CRON Expression Builder

Build, validate, and explain CRON expressions visually. Supports standard Unix, Quartz, and AWS EventBridge formats.

// client-side only // Unix / Quartz / AWS

Visual Builder — Click a field to edit

Minute

0-59, */5, 1-5

Hour

0-23, */2, 9-17

Day (Month)

1-31, *, */2

Month

1-12, JAN-DEC

Day (Week)

0-7 (0/7=Sun)

0min

*hour

*day/mo

*month

*day/wk

Every hour at minute 0.

Parse / Validate Any CRON Expression

Common Presets — Click to Load